This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff Data Engineer based in United States. This is a foundational opportunity to help build an end-to-end data platform from the ground up. You will design the near real-time and AI-ready infrastructure that brings together data from CRM, financial, HR, and operational systems. Your work will establish the pipelines, streaming architecture, vector infrastructure, and reliability practices that become the backbone of the organization’s data ecosystem. You will work closely with senior data leadership, Analytics Engineering, BI, Product, Engineering, Finance, Marketing, Customer Success, and Operations. The role combines deep hands-on engineering with the opportunity to shape architecture, standards, governance, and technical direction. You will also help enable AI-powered reporting, semantic search, retrieval-augmented generation, and agentic use cases through production-grade data infrastructure. This is an ideal role for a senior builder who thrives in lean environments and wants meaningful ownership over a modern data platform.